Examples of org.ow2.asm.MethodVisitor.visitFieldInsn()

org.ow2.asm.MethodVisitor.visitFieldInsn()
Visits a field instruction. A field instruction is an instruction that loads or stores the value of a field of an object. @param opcode the opcode of the type instruction to be visited. Thisopcode is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD. @param owner the internal name of the field's owner class (see {@link Type#getInternalName() getInternalName}). @param name the field's name. @param desc the field's descriptor (see {@link Type Type}).

        mv.visitInsn(DUP);
        mv.visitFieldInsn(PUTSTATIC, clsName, fieldName, "Ljava/lang/Class;");
        Label endLabel = new Label();
        mv.visitJumpInsn(GOTO, endLabel);
        mv.visitLabel(elseLabel);
        mv.visitFieldInsn(GETSTATIC, clsName, fieldName, "Ljava/lang/Class;");
        mv.visitLabel(endLabel);
    }
}

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            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, this.classAnnotationMetadata.getClassName(), "getEasyBeansInvocationContextFactory", "()Lorg/ow2/easybeans/api/interceptor/EZBInvocationContextFactory;");
            mv.visitMethodInsn(INVOKEINTERFACE, "org/ow2/easybeans/api/interceptor/EZBInvocationContextFactory", "getInterceptorManagerFactory", "()Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManagerFactory;");
            mv.visitMethodInsn(INVOKEINTERFACE, "org/ow2/easybeans/api/interceptor/EZBInterceptorManagerFactory", "getInterceptorManager", "()Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");
            mv.visitFieldInsn(PUTFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansDynamicInterceptorManager", "Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");


            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansDynamicInterceptorManager", "Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, this.classAnnotationMetadata.getClassName(), "getEasyBeansContext", "()Lorg/ow2/easybeans/api/container/EZBEJBContext;");

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            mv.visitMethodInsn(INVOKEINTERFACE, "org/ow2/easybeans/api/interceptor/EZBInvocationContextFactory", "getInterceptorManagerFactory", "()Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManagerFactory;");
            mv.visitMethodInsn(INVOKEINTERFACE, "org/ow2/easybeans/api/interceptor/EZBInterceptorManagerFactory", "getInterceptorManager", "()Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");
            mv.visitFieldInsn(PUTFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansDynamicInterceptorManager", "Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");


            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansDynamicInterceptorManager", "Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, this.classAnnotationMetadata.getClassName(), "getEasyBeansContext", "()Lorg/ow2/easybeans/api/container/EZBEJBContext;");
            mv.visitMethodInsn(INVOKEINTERFACE, "org/ow2/easybeans/api/interceptor/EZBInterceptorManager", "setEasyBeansContext", "(Lorg/ow2/easybeans/api/container/EZBEJBContext;)V");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansDynamicInterceptorManager", "Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");

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            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansDynamicInterceptorManager", "Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, this.classAnnotationMetadata.getClassName(), "getEasyBeansContext", "()Lorg/ow2/easybeans/api/container/EZBEJBContext;");
            mv.visitMethodInsn(INVOKEINTERFACE, "org/ow2/easybeans/api/interceptor/EZBInterceptorManager", "setEasyBeansContext", "(Lorg/ow2/easybeans/api/container/EZBEJBContext;)V");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansDynamicInterceptorManager", "Lorg/ow2/easybeans/api/interceptor/EZBInterceptorManager;");
            mv.visitMethodInsn(INVOKEINTERFACE, "org/ow2/easybeans/api/interceptor/EZBInterceptorManager", "injectedByEasyBeans", "()V");
            mv.visitLabel(l1);
        }

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            String clNameManager = this.classAnnotationMetadata.getClassName()
            + EasyBeansInvocationContextGenerator.SUFFIX_INTERCEPTOR_MANAGER;


            // this.interceptorManager.setEasyBeansContext(easyBeansContext);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansInterceptorManager", "L"
                    + clNameManager + ";");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansContext", EZB_EJBCONTEXT_DESC);
            mv.visitMethodInsn(INVOKEVIRTUAL, clNameManager, "setEasyBeansContext", "(" + EZB_EJBCONTEXT_DESC + ")V");

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            // this.interceptorManager.setEasyBeansContext(easyBeansContext);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansInterceptorManager", "L"
                    + clNameManager + ";");
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansContext", EZB_EJBCONTEXT_DESC);
            mv.visitMethodInsn(INVOKEVIRTUAL, clNameManager, "setEasyBeansContext", "(" + EZB_EJBCONTEXT_DESC + ")V");




            // this.interceptorManager.injectedByEasyBeans();
            mv.visitVarInsn(ALOAD, 0);

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            mv.visitMethodInsn(INVOKEVIRTUAL, clNameManager, "setEasyBeansContext", "(" + EZB_EJBCONTEXT_DESC + ")V");




            // this.interceptorManager.injectedByEasyBeans();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.classAnnotationMetadata.getClassName(), "easyBeansInterceptorManager", "L"
                    + clNameManager + ";");
            mv.visitMethodInsn(INVOKEVIRTUAL, clNameManager, "injectedByEasyBeans", "()V");


        }

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                    "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
            mv.visitInsn(POP);


            mv.visitVarInsn(ALOAD, varSB);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.generatedClassName, "interceptor", "I");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(I)Ljava/lang/StringBuilder;");
            mv.visitInsn(POP);


            mv.visitVarInsn(ALOAD, varSB);
            mv.visitLdcInsn("/");

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        for (String interceptor : this.allInterceptors) {
            mv.visitVarInsn(ALOAD, 0);
            mv.visitTypeInsn(NEW, interceptor);
            mv.visitInsn(DUP);
            mv.visitMethodInsn(INVOKESPECIAL, interceptor, "<init>", "()V");
            mv.visitFieldInsn(PUTFIELD, this.generatedClassName, getField(interceptor), encodeClassDesc(interceptor));
        }


        // need to add return instruction
        mv.visitInsn(RETURN);

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        for (String interceptor : this.allInterceptors) {
            MethodVisitor mv = getCW().visitMethod(ACC_PUBLIC, getMethod(interceptor),
                    "()" + encodeClassDesc(interceptor), null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, this.generatedClassName, getField(interceptor), encodeClassDesc(interceptor));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }

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